{"cve":"CVE-2021-24228","nvd":{"published":"2021-04-12T14:15:16.040","modified":"2026-06-17T03:39:38.360","status":"Modified","description":"The Jetpack Scan team identified a Reflected Cross-Site Scripting in the Login Form of the Patreon WordPress plugin before 1.7.2. The WordPress login form (wp-login.php) is hooked by the plugin and offers to allow users to authenticate on the site using their Patreon account. Unfortunately, some of the error logging logic behind the scene allowed user-controlled input to be reflected on the login page, unsanitized.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","score":9.6},"cwes":["CWE-79"],"references":["https://jetpack.com/2021/03/26/vulnerabilities-found-in-patreon-wordpress-plugin/","https://wpscan.com/vulnerability/7a5fadb1-3f1c-4779-8ff6-356fccb5269b","https://jetpack.com/2021/03/26/vulnerabilities-found-in-patreon-wordpress-plugin/","https://wpscan.com/vulnerability/7a5fadb1-3f1c-4779-8ff6-356fccb5269b"],"products":["patreon:patreon_wordpress"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-24228","score":0.01874,"percentile":0.7939,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}